Home / 5,726.19-8,583.81-3,639.74

Finding the Fourth Proportional to 5,726.19, 8,583.81 and 3,639.74

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Solution

The fourth proportional to 5,726.19, 8,583.81 and 3,639.74 is: 5,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.19 : 8,583.81 = 3,639.74 : x
  2. Step 2: Convert to fraction form
    5,726.19/8,583.81 = 3,639.74/x
  3. Step 3: Cross multiply
    5,726.19x = 8,583.81 × 3,639.74
  4. Step 4: Simplify right side
    5,726.19x = 31,242,780.04
  5. Step 5: Solve for x
    x = 31,242,780.04/5,726.19
  6. Step 6: Final answer
    x = 5,456.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.